Explain one way to determine if steam purging has removed all air from a vessel.
What will be an ideal response?
Consult a table of steam-air mixtures and compare the temperature of the table with the temperature at the site of the exiting steam on the vessel or piping.
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What are the key defining characteristics of roundabouts that distinguish them from other traffic circles?
What will be an ideal response?
What is the difference between an atom and molecule?
What will be an ideal response?
The volume of a solid will:
A) Increase as the temperature of the solid increases. B) Not change when temperature differences occur. C) Decrease when the temperature increases. D) Increase as the temperature decreases.
In a time of flight ultrasonic flow meter, the difference between the transmitted and received frequencies become __________ as the velocity of the fluid increases.
A. smaller B. greater